Atlantis Land SoundTravel 300. RMS rated power: 3 W, Frequency range: 100 - 18000 Hz, Signal-to-Noise Ratio (SNR): 65 dB. Connectivity technology: Wired. Width: 60 mm, Depth: 70 mm, Height: 70 mm. Audio output channels: 2.0, Satellite speakers RMS power: 3 W, Satellite speaker driver size: 25.4 mm (1 ")